<!--
  if(typeof(COMMON_JS) == 'undefined') {
    var COMMON_JS = true;

    var errmsg = "";
    var errfld;

    function check_field(fld, msg) {
      if((fld.value = trim(fld.value)) == "") error_field(fld, msg);
      else clear_field(fld);
      return;
    }

    function error_field(fld, msg) {
      if(msg != "") errmsg += msg + "\n";
      if(!errfld) errfld = fld;
      fld.style.background = "#BDDEF7";
    }

    function clear_field(fld) {
      fld.style.background = "#FFFFFF";
    }

    function trim(s) {
      var t = "";
      var from_pos = to_pos = 0;

      for(i = 0; i < s.length; i++) {
        if(s.charAt(i) == ' ') continue;
        else { from_pos = i; break; }
      }

      for(i = s.length; i >= 0; i--) {
        if(s.charAt(i-1) == ' ') continue;
        else { to_pos = i; break; }
      }

      t = s.substring(from_pos, to_pos);
      return t;
    }

    function number_format(data) {
      var tmp = '';
      var number = '';
      var cutlen = 3;
      var comma = ',';
      var i;

      len = data.length;
      mod = (len % cutlen);
      k = cutlen - mod;

      for(i=0; i<data.length; i++) {
        number = number + data.charAt(i);
        if(i < data.length - 1) {
          k++;
          if((k % cutlen) == 0) { number = number + comma; k = 0; }
        }
      }
      return number;
    }

    function popup_window(url, winname, opt) { window.open(url, winname, opt); }

    function popup_formmail(url) {
      opt = 'scrollbars=yes,width=417,height=385,top=10,left=20';
      popup_window(url, "wformmail", opt);
    }

    function no_comma(data) {
      var tmp = '';
      var comma = ',';
      var i;

      for(i = 0; i < data.length; i++) {
        if(data.charAt(i) != comma) tmp += data.charAt(i);
      }
      return tmp;
    }

    function del(href) {
      if(confirm("ÇÑ¹ø »èÁ¦ÇÑ ÀÚ·á´Â º¹±¸ÇÒ ¹æ¹ýÀÌ ¾ø½À´Ï´Ù.\n\nÁ¤¸» »èÁ¦ÇÏ½Ã°Ú½À´Ï±î?")) document.location.href = href;
    }

    function set_cookie(name, value, expirehours, domain) {
      var today = new Date();
      today.setTime(today.getTime() + (60*60*1000*expirehours));
      document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + today.toGMTString() + ";";
      if(domain) document.cookie += "domain=" + domain + ";";
    }

    function get_cookie(name) {
      var find_sw = false;
      var start, end;
      var i = 0;

      for(i = 0; i <= document.cookie.length; i++) {
        start = i;
        end = start + name.length;
        if(document.cookie.substring(start, end) == name) { find_sw = true; break; }
      }

      if(find_sw == true) {
        start = end + 1;
        end = document.cookie.indexOf(";", start);
        if(end < start) end = document.cookie.length;
        return document.cookie.substring(start, end);
      }
      return "";
    }

    function delete_cookie(name) {
      var today = new Date();

      today.setTime(today.getTime() - 1);
      var value = get_cookie(name);
      if(value != "") document.cookie = name + "=" + value + "; path=/; expires=" + today.toGMTString();
    }

    // ÀÌ¹ÌÁöÀÇ Å©±â¿¡ µû¶ó »õÃ¢ÀÇ Å©±â°¡ º¯°æµË´Ï´Ù.
    // zzzz´Ô²²¼­ ¾Ë·ÁÁÖ¼Ì½À´Ï´Ù. 2005/04/12
    function image_window(img)
    {
        var w = img.tmp_width;
        var h = img.tmp_height;
        var winl = (screen.width-w)/2;
        var wint = (screen.height-h)/3;

        if (w >= screen.width) {
            winl = 0;
            h = (parseInt)(w * (h / w));
        }

        if (h >= screen.height) {
            wint = 0;
            w = (parseInt)(h * (w / h));
        }

        var js_url = "<script language='JavaScript1.2'> \n";
            js_url += "<!-- \n";
            js_url += "var ie=document.all; \n";
            js_url += "var nn6=document.getElementById&&!document.all; \n";
            js_url += "var isdrag=false; \n";
            js_url += "var x,y; \n";
            js_url += "var dobj; \n";
            js_url += "function movemouse(e) \n";
            js_url += "{ \n";
            js_url += "  if (isdrag) \n";
            js_url += "  { \n";
            js_url += "    dobj.style.left = nn6 ? tx + e.clientX - x : tx + event.clientX - x; \n";
            js_url += "    dobj.style.top  = nn6 ? ty + e.clientY - y : ty + event.clientY - y; \n";
            js_url += "    return false; \n";
            js_url += "  } \n";
            js_url += "} \n";
            js_url += "function selectmouse(e) \n";
            js_url += "{ \n";
            js_url += "  var fobj      = nn6 ? e.target : event.srcElement; \n";
            js_url += "  var topelement = nn6 ? 'HTML' : 'BODY'; \n";
            js_url += "  while (fobj.tagName != topelement && fobj.className != 'dragme') \n";
            js_url += "  { \n";
            js_url += "    fobj = nn6 ? fobj.parentNode : fobj.parentElement; \n";
            js_url += "  } \n";
            js_url += "  if (fobj.className=='dragme') \n";
            js_url += "  { \n";
            js_url += "    isdrag = true; \n";
            js_url += "    dobj = fobj; \n";
            js_url += "    tx = parseInt(dobj.style.left+0); \n";
            js_url += "    ty = parseInt(dobj.style.top+0); \n";
            js_url += "    x = nn6 ? e.clientX : event.clientX; \n";
            js_url += "    y = nn6 ? e.clientY : event.clientY; \n";
            js_url += "    document.onmousemove=movemouse; \n";
            js_url += "    return false; \n";
            js_url += "  } \n";
            js_url += "} \n";
            js_url += "document.onmousedown=selectmouse; \n";
            js_url += "document.onmouseup=new Function('isdrag=false'); \n";
            js_url += "//--> \n";
            js_url += "</"+"script> \n";

        var settings;

        if (g4_is_gecko) {
            settings  ='width='+(w+10)+',';
            settings +='height='+(h+10)+',';
        } else {
            settings  ='width='+w+',';
            settings +='height='+h+',';
        }
        settings +='top='+wint+',';
        settings +='left='+winl+',';
        settings +='scrollbars=no,';
        settings +='resizable=yes,';
        settings +='status=no';


        win=window.open("","image_window",settings);
        win.document.open();
        win.document.write ("<html><head> \n<meta http-equiv='imagetoolbar' CONTENT='no'> \n<meta http-equiv='content-type' content='text/html; charset="+g4_charset+"'>\n");
        var size = "ÀÌ¹ÌÁö »çÀÌÁî : "+w+" x "+h;
        win.document.write ("<title>"+size+"</title> \n");
        if(w >= screen.width || h >= screen.height) {
            win.document.write (js_url);
            var click = "ondblclick='window.close();' style='cursor:move' title=' "+size+" \n\n ÀÌ¹ÌÁö »çÀÌÁî°¡ È­¸éº¸´Ù Å®´Ï´Ù. \n ¿ÞÂÊ ¹öÆ°À» Å¬¸¯ÇÑ ÈÄ ¸¶¿ì½º¸¦ ¿òÁ÷¿©¼­ º¸¼¼¿ä. \n\n ´õºí Å¬¸¯ÇÏ¸é ´ÝÇô¿ä. '";
        }
        else
            var click = "onclick='window.close();' style='cursor:pointer' title=' "+size+" \n\n Å¬¸¯ÇÏ¸é ´ÝÇô¿ä. '";
        win.document.write ("<style>.dragme{position:relative;}</style> \n");
        win.document.write ("</head> \n\n");
        win.document.write ("<body leftmargin=0 topmargin=0 bgcolor=#dddddd style='cursor:arrow;'> \n");
        win.document.write ("<table width=100% height=100% cellpadding=0 cellspacing=0><tr><td align=center valign=middle><img src='"+img.src+"' width='"+w+"' height='"+h+"' border=0 class='dragme' "+click+"></td></tr></table>");
        win.document.write ("</body></html>");
        win.document.close();

        if(parseInt(navigator.appVersion) >= 4){win.window.focus();}
    }

    // a ÅÂ±×¿¡¼­ onclick ÀÌº¥Æ®¸¦ »ç¿ëÇÏÁö ¾Ê±â À§ÇØ
    function win_open(url, name, option)
    {
        var popup = window.open(url, name, option);
        popup.focus();
    }

function win_login(url) {
        if(!url) url = g4_path + "/" + g4_bbs + "/login.php";
        win_open(url, "loginx", "left=20, top=20, width=700, height=500, scrollbars=1");
    }

    // ¿ìÆí¹øÈ£ Ã¢
    function win_zip(frm_name, frm_zip1, frm_zip2, frm_addr1, frm_addr2)
    {
        url = g4_path + "/" + g4_bbs + "/zip.php?frm_name="+frm_name+"&frm_zip1="+frm_zip1+"&frm_zip2="+frm_zip2+"&frm_addr1="+frm_addr1+"&frm_addr2="+frm_addr2;
        win_open(url, "winZip", "left=50,top=50,width=616,height=460,scrollbars=1");
    }

    // ÂÊÁö Ã¢
    function win_memo(url)
    {
        if (!url)
            url = g4_path + "/" + g4_bbs + "/memo.php";
        win_open(url, "winMemo", "left=50,top=50,width=620,height=460,scrollbars=1");
    }

    // Æ÷ÀÎÆ® Ã¢
    function win_point(url)
    {
        win_open(g4_path + "/" + g4_bbs + "/point.php", "winPoint", "left=20, top=20, width=616, height=635, scrollbars=1");
    }

    // ½ºÅ©·¦ Ã¢
    function win_scrap(url)
    {
        if (!url)
            url = g4_path + "/" + g4_bbs + "/scrap.php";
        win_open(url, "scrap", "left=20, top=20, width=616, height=500, scrollbars=1");
    }

    // ÆÐ½º¿öµå ºÐ½Ç Ã¢
    function win_password_forget()
    {
        win_open(g4_path + "/" + g4_bbs + "/password_forget.php", 'winPasswordForget', 'left=50, top=50, width=616, height=500, scrollbars=1');
    }

    // ÄÚ¸àÆ® Ã¢
    function win_comment(url)
    {
        win_open(url, "winComment", "left=50, top=50, width=800, height=600, scrollbars=1");
    }

    // Æû¸ÞÀÏ Ã¢
    function win_formmail(mb_id, name, email)
    {
    if (g4_charset.toLowerCase() == 'euc-kr')
          win_open(g4_path+"/" + g4_bbs + "/formmail.php?mb_id="+mb_id+"&name="+name+"&email="+email, "winFormmail", "left=50, top=50, width=600, height=500, scrollbars=0");
    else
          win_open(g4_path+"/" + g4_bbs + "/formmail.php?mb_id="+mb_id+"&name="+encodeURIComponent(name)+"&email="+email, "winFormmail", "left=50, top=50, width=600, height=480, scrollbars=0");
    }

    // ´Þ·Â Ã¢
    function win_calendar(fld, cur_date, delimiter, opt)
    {
        if (!opt)
            opt = "left=50, top=50, width=240, height=230, scrollbars=0,status=0,resizable=0";
        win_open(g4_path+"/" + g4_bbs + "/calendar.php?fld="+fld+"&cur_date="+cur_date+"&delimiter="+delimiter, "winCalendar", opt);
    }

    // ¼³¹®Á¶»ç Ã¢
    function win_poll(url)
    {
        if (!url)
            url = "";
        win_open(url, "winPoll", "left=50, top=50, width=616, height=500, scrollbars=1");
    }

    // ÀÚ±â¼Ò°³ Ã¢
    function win_profile(mb_id)
    {
        win_open(g4_path+"/" + g4_bbs + "/profile.php?mb_id="+mb_id, 'winProfile', 'left=50,top=50,width=620,height=510,scrollbars=1');
    }

    var last_id = null;
    function menu(id)
    {
        if (id != last_id)
        {
            if (last_id != null)
                document.getElementById(last_id).style.display = "none";
            document.getElementById(id).style.display = "block";
            last_id = id;
        }
        else
        {
            document.getElementById(id).style.display = "none";
            last_id = null;
        }
    }

    function textarea_decrease(id, row)
    {
        if (document.getElementById(id).rows - row > 0)
            document.getElementById(id).rows -= row;
    }

    function textarea_original(id, row)
    {
        document.getElementById(id).rows = row;
    }

    function textarea_increase(id, row)
    {
        document.getElementById(id).rows += row;
    }

    // ±Û¼ýÀÚ °Ë»ç
    function check_byte(content, target)
    {
        var i = 0;
        var cnt = 0;
        var ch = '';
        var cont = document.getElementById(content).value;

        for (i=0; i<cont.length; i++) {
            ch = cont.charAt(i);
            if (escape(ch).length > 4) {
                cnt += 2;
            } else {
                cnt += 1;
            }
        }
        // ¼ýÀÚ¸¦ Ãâ·Â
        document.getElementById(target).innerHTML = cnt;

        return cnt;
    }

    function get_left_pos(obj) {
      var parentObj = null;
      var clientObj = obj;
      var left = obj.offsetLeft;

      while((parentObj=clientObj.offsetParent) != null) {
        left = left + parentObj.offsetLeft;
        clientObj = parentObj;
      }

      return left;
    }

    function get_top_pos(obj) {
      var parentObj = null;
      var clientObj = obj;
      var top = obj.offsetTop;

      while((parentObj=clientObj.offsetParent) != null) {
        top = top + parentObj.offsetTop;
        clientObj = parentObj;
      }

      return top;
    }

    function flash_movie(src, ids, width, height, wmode) {
      var wh = "";
      if(parseInt(width) && parseInt(height)) wh = " width='"+width+"' height='"+height+"' ";
      return "<object classid='clsid:d27cdb6e-ae6d-11cf-96b8-444553540000' codebase='http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=6,0,0,0' "+wh+" id="+ids+"><param name=wmode value="+wmode+"><param name=movie value="+src+"><param name=quality value=high><embed src="+src+" quality=high wmode="+wmode+" type='application/x-shockwave-flash' pluginspage='http://www.macromedia.com/shockwave/download/index.cgi?p1_prod_version=shockwaveflash' "+wh+"></embed></object>";
    }

    function obj_movie(src, ids, width, height, autostart) {
      var wh = "";
      if(parseInt(width) && parseInt(height)) wh = " width='"+width+"' height='"+height+"' ";
      if(!autostart) autostart = false;
      return "<embed src='"+src+"' "+wh+" autostart='"+autostart+"'></embed>";
    }

    function doc_write(cont) { document.write(cont); }
  }
// -->
